Question

a) (18+2×7): (12:2+8:4) b) 24-24:3x(72:9-2×3):4×5 c) 42:7 + (6 + 6): 2-24: (5+3) d) (25 +20): 5-(19+5):8​

Answer 1

Răspuns:

a. (18+2×7):(12÷2+8÷4)=(18+14)÷(6+2)=32÷8=4

b.24-24÷3×(72÷9-2×3):4×5=24-24÷3×(8-6):4×5=24-24÷3×2:20=0÷6:20=0

c.42÷7+(6+6)÷2-24÷(5+3)=42÷7+12÷2-24÷8=6+6—24=-12

d.(25+20)÷5-(19+5)÷8=45÷5-24=9-24=-15

Explicație pas cu pas:

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